Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=&volume=51&issue=1&spage=2&aulast=Brimhall
Esophageal Cancer	free resource	MedlinePlus Health Information	https://medlineplus.gov/esophagealcancer.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=27941583.ui
	free resource	scite Smart Citations	https://scite.ai/reports/27941583
	subscription/membership/fee required	Wolters Kluwer	https://doi.org/10.1097/MCG.0000000000000742